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Finding the Fourth Proportional to 723,995.92, 995,571.43 and 628,336.54

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Solution

The fourth proportional to 723,995.92, 995,571.43 and 628,336.54 is: 864,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,995.92 : 995,571.43 = 628,336.54 : x
  2. Step 2: Convert to fraction form
    723,995.92/995,571.43 = 628,336.54/x
  3. Step 3: Cross multiply
    723,995.92x = 995,571.43 × 628,336.54
  4. Step 4: Simplify right side
    723,995.92x = 625,553,907,649.05
  5. Step 5: Solve for x
    x = 625,553,907,649.05/723,995.92
  6. Step 6: Final answer
    x = 864,029.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.